Acids Bases pH pOH

The pH scale is a range from:

• 1-7

• 0-14

• 1-5

• 1-20

Which of these solutions is an acid?

• Dish Soap: pH of 12

• Tomato Soup: pH of 4

• Baking Soda: pH of 9

• Drain Cleaner: pH of 14

Ammonia has a pOH of 2. Ammonia is __________.

• an acid

• a base

• an element

• a metal

The picture below shows the relative concentrations of H+ and OH- in a solution. Is the solution an acid or a base?

• acid

• base

A solution has a pH of 7.0.  What would happen to the pH if H ions were added?

• pH would go up

• pH would go down

• pH would stay the same

• None of these

A solution has a pH of 7.0. What would happen to the pH if OH^- ions were added?

• pH would go up

• pH would go down

• pH would stay the same

• None of these

Find the pH of a 0.000841 M solution of sodium hydroxide

• 3.07

• 9.88

• 10.92

• 11.23

The pH of a solution is 8.43. What is the hydronium ion H₃O⁺ concentration?

• 3.7 E-9 M

• 2.7 E-6 M

• 1.0 E-8.43 M

• 1.0 E-14

Tastes bitter.

• Acids

• Bases

• Salts

• All

Tastes Sour

• Acids

• Bases

• Salts

• All